157720640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 224

約数和(自身を含む): 483681024

約数和(自身を除く): 325960384

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 37, 40, 44, 55, 56, 64, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 160, 173, 176, 185, 220, 224, 259, 280, 296, 308, 320, 346, 352, 370, 385, 407, 440, 448, 518, 560, 592, 616, 692, 704, 740, 770, 814, 865, 880, 1036, 1120, 1184, 1211, 1232, 1295, 1384, 1480, 1540, 1628, 1730, 1760, 1903, 2035, 2072, 2240, 2368, 2422, 2464, 2590, 2768, 2849, 2960, 3080, 3256, 3460, 3520, 3806, 4070, 4144, 4844, 4928, 5180, 5536, 5698, 5920, 6055, 6160, 6401, 6512, 6920, 7612, 8140, 8288, 9515, 9688, 10360, 11072, 11396, 11840, 12110, 12320, 12802, 13024, 13321, 13840, 14245, 15224, 16280, 16576, 19030, 19376, 20720, 22792, 24220, 24640, 25604, 26048, 26642, 27680, 28490, 30448, 32005, 32560, 38060, 38752, 41440, 44807, 45584, 48440, 51208, 53284, 55360, 56980, 60896, 64010, 65120, 66605, 70411, 76120, 77504, 82880, 89614, 91168, 96880, 102416, 106568, 113960, 121792, 128020, 130240, 133210, 140822, 152240, 179228, 182336, 193760, 204832, 213136, 224035, 227920, 256040, 266420, 281644, 304480, 352055, 358456, 387520, 409664, 426272, 448070, 455840, 492877, 512080, 532840, 563288, 608960, 704110, 716912, 852544, 896140, 911680, 985754, 1024160, 1065680, 1126576, 1408220, 1433824, 1792280, 1971508, 2048320, 2131360, 2253152, 2464385, 2816440, 2867648, 3584560, 3943016, 4262720, 4506304, 4928770, 5632880, 7169120, 7886032, 9857540, 11265760, 14338240, 15772064, 19715080, 22531520, 31544128, 39430160, 78860320, 157720640]

約数ペア:

[(1, 157720640), (2, 78860320), (4, 39430160), (5, 31544128), (7, 22531520), (8, 19715080), (10, 15772064), (11, 14338240), (14, 11265760), (16, 9857540), (20, 7886032), (22, 7169120), (28, 5632880), (32, 4928770), (35, 4506304), (37, 4262720), (40, 3943016), (44, 3584560), (55, 2867648), (56, 2816440), (64, 2464385), (70, 2253152), (74, 2131360), (77, 2048320), (80, 1971508), (88, 1792280), (110, 1433824), (112, 1408220), (140, 1126576), (148, 1065680), (154, 1024160), (160, 985754), (173, 911680), (176, 896140), (185, 852544), (220, 716912), (224, 704110), (259, 608960), (280, 563288), (296, 532840), (308, 512080), (320, 492877), (346, 455840), (352, 448070), (370, 426272), (385, 409664), (407, 387520), (440, 358456), (448, 352055), (518, 304480), (560, 281644), (592, 266420), (616, 256040), (692, 227920), (704, 224035), (740, 213136), (770, 204832), (814, 193760), (865, 182336), (880, 179228), (1036, 152240), (1120, 140822), (1184, 133210), (1211, 130240), (1232, 128020), (1295, 121792), (1384, 113960), (1480, 106568), (1540, 102416), (1628, 96880), (1730, 91168), (1760, 89614), (1903, 82880), (2035, 77504), (2072, 76120), (2240, 70411), (2368, 66605), (2422, 65120), (2464, 64010), (2590, 60896), (2768, 56980), (2849, 55360), (2960, 53284), (3080, 51208), (3256, 48440), (3460, 45584), (3520, 44807), (3806, 41440), (4070, 38752), (4144, 38060), (4844, 32560), (4928, 32005), (5180, 30448), (5536, 28490), (5698, 27680), (5920, 26642), (6055, 26048), (6160, 25604), (6401, 24640), (6512, 24220), (6920, 22792), (7612, 20720), (8140, 19376), (8288, 19030), (9515, 16576), (9688, 16280), (10360, 15224), (11072, 14245), (11396, 13840), (11840, 13321), (12110, 13024), (12320, 12802)]